netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ unsupported nla_type 0 WARNING: CPU: 1 PID: 30296 at net/xfrm/xfrm_compat.c:279 xfrm_xlate64_attr net/xfrm/xfrm_compat.c:279 [inline] WARNING: CPU: 1 PID: 30296 at net/xfrm/xfrm_compat.c:279 xfrm_xlate64 net/xfrm/xfrm_compat.c:300 [inline] WARNING: CPU: 1 PID: 30296 at net/xfrm/xfrm_compat.c:279 xfrm_alloc_compat+0xf39/0x10d0 net/xfrm/xfrm_compat.c:327 Modules linked in: CPU: 1 PID: 30296 Comm: syz-executor.2 Not tainted 5.10.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:xfrm_xlate64_attr net/xfrm/xfrm_compat.c:279 [inline] RIP: 0010:xfrm_xlate64 net/xfrm/xfrm_compat.c:300 [inline] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 net/xfrm/xfrm_compat.c:327 Code: de e8 bb b7 d2 f9 84 db 0f 85 b0 f8 ff ff e8 9e bf d2 f9 8b 74 24 08 48 c7 c7 00 f2 51 8a c6 05 9e 46 3b 05 01 e8 23 ee 0e 01 <0f> 0b e9 8d f8 ff ff e8 7b bf d2 f9 8b 14 24 48 c7 c7 c0 f1 51 8a RSP: 0018:ffffc9000196f498 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8158d875 RDI: fffff5200032de85 RBP: 000000000000003c R08: 0000000000000001 R09: ffff8880b9f2011b R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffa1 R13: ffff88802fb258f8 R14: ffff888025dc1000 R15: ffff888025d35dc0 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0063) knlGS:00000000f55f2b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000090c7850 CR3: 0000000024192000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xfrm_alloc_userspi+0x66a/0xa30 net/xfrm/xfrm_user.c:1388 xfrm_user_rcv_msg+0x42f/0x8b0 net/xfrm/xfrm_user.c:2752 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2764 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline] __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7ff8549 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f55f20cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000300 RDX: 0000000000000080 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000